I rely on these website for advice when my baby is upset and won't stop crying.
http://www.babycenter.com/0_what-to-...on_10320516.bc
http://www.babycenter.com/0_twelve-r...e-them_9790.bc

They send you regular mails pertaining to your baby's no. of months and there are some helpful information. Plus, you kind of know what to expect in the upcoming months of your baby's life.